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; Shellpool - Interface from Common Lisp to External Programs
; Copyright (C) 2014-2015 Kookamara LLC
;
; Contact:
;
; Kookamara LLC
; 11410 Windermere Meadows
; Austin, TX 78759, USA
; http://www.kookamara.com/
;
; License: (An MIT/X11-style license)
;
; Permission is hereby granted, free of charge, to any person obtaining a
; copy of this software and associated documentation files (the "Software"),
; to deal in the Software without restriction, including without limitation
; the rights to use, copy, modify, merge, publish, distribute, sublicense,
; and/or sell copies of the Software, and to permit persons to whom the
; Software is furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
; DEALINGS IN THE SOFTWARE.
;
; Original author: Jared Davis <jared@kookamara.com>
; basic.lisp -- tests of basic return/output capture
(defun run-and-gather (cmd)
"Runs command, gathering output, returns (values status stdout stderr)."
(format t "** Running command ~s~%" cmd)
(let* ((stdout nil)
(stderr nil)
(each-line (lambda (line type)
(format t " (~s) ~s~%" type line)
(force-output)
(case type
(:stdout (push line stdout))
(:stderr (push line stderr))
(otherwise (error "Bad type ~s for line ~s~%" type line)))))
(status (shellpool:run cmd :each-line each-line))
(stdout (nreverse stdout))
(stderr (nreverse stderr)))
(values status stdout stderr)))
(defun check (name expected actual)
(if (equal expected actual)
(format t "OK ~a~%" name)
(error "FAIL ~a: Expected ~s, Found ~s~%" name expected actual)))
(defun basic-test (cmd &key
(status '0)
(stdout 'nil)
(stderr 'nil))
(multiple-value-bind
(actual-status actual-stdout actual-stderr)
(run-and-gather cmd)
(check "status" status actual-status)
(check "stdout" stdout actual-stdout)
(check "stderr" stderr actual-stderr)))
; Trivial tests:
(basic-test "echo hello"
:stdout '("hello"))
(basic-test "echo hello 1>&2 "
:stderr '("hello"))
(basic-test "echo -n hello "
:stdout '("hello"))
(basic-test "echo -n hello 1>&2 "
:stderr '("hello"))
(basic-test "exit 1"
:status 1)
(basic-test "exit 15"
:status 15)
; This read test is meant to ensure that the subcommand really doesn't get any
; input stream attached to it. Perhaps we would one day want to change how
; this works to allow hooking up streams to commands, but that seems pretty
; hard and scary. What if they send Ctrl+D and end the stream or something?
; Could we lose our bash shell?
(basic-test "read -p 'Will this work?' yn"
:status 1)
; Test some more complex output interleaving.
(basic-test "./test1.sh"
:status 0
:stdout '("stdout line 1" "stdout line 2" "stdout line 3")
:stderr '("stderr line 1" "stderr line 2"))
; Like the previous test, but the output should be produced (and streamed)
; incrementally. You should notice lag as the messages are printed, but you
; should see each message as it becomes available.
(basic-test "./test2.sh"
:status 2
:stdout '("stdout line 1" "stdout line 2" "stdout line 3")
:stderr '("stderr line 1" "stderr line 2"))
; Now some tests of garbage commands.
(defun check-bad-input (cmd &key
(status '2)
(stdout 'nil))
(multiple-value-bind
(actual-status actual-stdout actual-stderr)
(run-and-gather cmd)
(check "status" status actual-status)
(check "stdout" stdout actual-stdout)
(or (consp actual-stderr)
(error "Expected an error message."))))
(check-bad-input "echo \"oops, forgot ending quote")
; Now try to make sure that didn't screw up the shell somehow.
(basic-test "echo hello"
:stdout '("hello"))
(check-bad-input "echo 'oops, forgot ending single quote")
; And try to make sure THAT didn't screw up the shell, either.
(basic-test "echo hello"
:stdout '("hello"))
(check-bad-input "(echo \"Oops, no closing paren.\" ")
; And again, try to make sure that didn't screw up the shell.
(basic-test "echo hello"
:stdout '("hello"))
;; (let* ((proc (ccl:run-program "./harness2.sh" nil
;; :wait nil
;; :input :stream
;; :output :stream
;; :error :stream))
;; (stdout (ccl::external-process-output-stream proc))
;; (stderr (ccl::external-process-output-stream proc)))
;; (declare (ignorable stdout stderr))
;; ;; (let ((foo (read-line stderr nil)))
;; ;; (format t "Got stderr line~s~%" foo)
;; ;; (force-output))
;; (loop do
;; (let ((line (read-line stdout nil)))
;; (format t "Got line ~s~%" line)
;; (force-output)
;; (when (not line)
;; (loop-finish)))))
(let ((oops nil))
(format t "** Checking that starting too many shells doesn't work.~%")
(handler-case
(progn (shellpool:start 2000)
(setq oops t))
(error (condition)
(declare (ignore condition))
(format t "OK: Got error as expected.~%")
nil))
(when oops
(error "Started 2000 shells?")))
(let ((oops nil))
(format t "** Checking that ensure'ing too many shells doesn't work.~%")
(handler-case
(progn (shellpool:ensure 2000)
(setq oops t))
(error (condition)
(declare (ignore condition))
(format t "OK: Got error as expected.~%")
nil))
(when oops
(error "Started 2000 shells?")))
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